Jewel Box Gems 5 and 10 Quilt Ruler by Cheryl Phillips of Phillips Fiber Art

The Jewel Box Gems 5&10 package contains 2 Clear acrylic quilt rulers with Pale Blue markings. Use the Gem Five to make pieced pentagons with 54 degree and 72 degree angles. Use the Gem Ten to make pieced decagons with 36 degree and 72 degree angles. The finished pentagon is 10 inches x 10 1/2 inches and the finished decagon is 20 inches x 21 inches. Combined they provide endless design possibilities.